linux-kernel - [PATCH][resend] namei.c : update mnt when it needed

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Message-Id: <1271211369-27419-1-git-send-email-shijie8@gmail.com>
Date:	Wed, 14 Apr 2010 10:16:09 +0800
From:	Huang Shijie <shijie8@...il.com>
To:	akpm@...ux-foundation.org
Cc:	viro@...iv.linux.org.uk, linux-kernel@...r.kernel.org,
	Huang Shijie <shijie8@...il.com>
Subject: [PATCH][resend] namei.c : update mnt when it needed

update the mnt of the path when it is not equal to the new one.

Signed-off-by: Huang Shijie <shijie8@...il.com>
---
 fs/namei.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index a7dce91..9c3a040 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -523,9 +523,10 @@ static void path_put_conditional(struct path *path, struct nameidata *nd)
 static inline void path_to_nameidata(struct path *path, struct nameidata *nd)
 {
 	dput(nd->path.dentry);
-	if (nd->path.mnt != path->mnt)
+	if (nd->path.mnt != path->mnt) {
 		mntput(nd->path.mnt);
-	nd->path.mnt = path->mnt;
+		nd->path.mnt = path->mnt;
+	}
 	nd->path.dentry = path->dentry;
 }
 
-- 
1.6.6

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